Stair Unit Overall Height 144 in Overall Length 117 11/16 in Overall Width 45 in Color Gray Step Depth 6 7/8 in Step Width 11 1/16 in Steel Acrylic Enamel Riser Type Closed Number of Posts 3 Top Guardrail Distance from Step 42 in For Mezzanine Height 9.2 ft Assembled Assembled Climbing Angle 32 Degrees AISC SJ1 ASTM A325 ASTM A36 ASTM A500 Grade B ASTM A513 Type 1 ASTM A992 Includes Hand Rail with Integral Guard Rail Method of Construction Bolted Number of Guardrails 2